Finding the Fourth Proportional to 70,440,132.80, 98,414,632 and 70,440,132.80
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Solution
The fourth proportional to 70,440,132.80, 98,414,632 and 70,440,132.80 is: 98,414,632
Step by Step Solution
- Step 1: Write the proportion equation
70,440,132.80 : 98,414,632 = 70,440,132.80 : x - Step 2: Convert to fraction form
70,440,132.80/98,414,632 = 70,440,132.80/x - Step 3: Cross multiply
70,440,132.80x = 98,414,632 × 70,440,132.80 - Step 4: Simplify right side
70,440,132.80x = 6,932,339,747,543,129 - Step 5: Solve for x
x = 6,932,339,747,543,129/70,440,132.80 - Step 6: Final answer
x = 98,414,632
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.